/Engine/Source/Editor/StaticMeshEditor/Public/StaticMeshEditorSubsystem.h
Get number of LODs present on a static mesh.
the number of LODs present on the input mesh. An negative value indicates that the command could not be executed. See log for explanation.
int32 GetLodCount ( [UStaticMesh](API\Runtime\Engine\Engine\UStaticMesh) * StaticMesh )